Source: United States Geological Survey (USGS) Minerals Resources Program
Note: Check source table for details and footnotes
| Year | Production | Unit of Measure | % Change |
| 2002 | 1469000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | NA |
| 2003 | 1479000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.68% |
| 2004 | 1334000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -9.80% |
| 2005 | 1367000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.47% |
| 2006 | 1362000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -0.37% |
| 2007 | 1514000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 11.16% |
| 2008 | 1519000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 0.33% |
| 2009 | 1290000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -15.08% |
| 2010 | 1479000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 14.65% |
| 2011 | 1515000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | 2.43% |
| 2012 | 1514000 | Metric tons, zinc content of concentrate and direct shipping ore, unless otherwise specified | -0.07% |
